Remove foo != NULL checks in xfa/src/fxbarcode.

xfa/src/fxbarcode/qrcode/BC_QRCoder.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 // Original code is licensed as follows:
 /*
  * Copyright 2008 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 21 matching lines @@
   m_version = -1;
   m_matrixWidth = -1;
   m_maskPattern = -1;
   m_numTotalBytes = -1;
   m_numDataBytes = -1;
   m_numECBytes = -1;
   m_numRSBlocks = -1;
   m_matrix = NULL;
 }
 CBC_QRCoder::~CBC_QRCoder() {
-  if (m_matrix != NULL) {
-    delete m_matrix;
-    m_matrix = NULL;
-  }
-  m_mode = NULL;
-  m_ecLevel = NULL;
-  m_version = -1;
-  m_matrixWidth = -1;
-  m_maskPattern = -1;
-  m_numTotalBytes = -1;
-  m_numDataBytes = -1;
-  m_numECBytes = -1;
-  m_numRSBlocks = -1;
+  delete m_matrix;
 }
 CBC_QRCoderMode* CBC_QRCoder::GetMode() {
   return m_mode;
 }
 CBC_QRCoderErrorCorrectionLevel* CBC_QRCoder::GetECLevel() {
   return m_ecLevel;
 }
 int32_t CBC_QRCoder::GetVersion() {
   return m_version;
 }
@@ skipping 20 matching lines @@
 }
 int32_t CBC_QRCoder::At(int32_t x, int32_t y, int32_t& e) {
   int32_t value = m_matrix->Get(x, y);
   if (!(value == 0 || value == 1)) {
     e = BCExceptionValueMustBeEither0or1;
     BC_EXCEPTION_CHECK_ReturnValue(e, 0);
   }
   return value;
 }
 FX_BOOL CBC_QRCoder::IsValid() {
-  return m_mode != NULL && m_ecLevel != NULL && m_version != -1 &&
-         m_matrixWidth != -1 && m_maskPattern != -1 && m_numTotalBytes != -1 &&
-         m_numDataBytes != -1 && m_numECBytes != -1 && m_numRSBlocks != -1 &&
+  return m_mode && m_ecLevel && m_version != -1 && m_matrixWidth != -1 &&
+         m_maskPattern != -1 && m_numTotalBytes != -1 && m_numDataBytes != -1 &&
+         m_numECBytes != -1 && m_numRSBlocks != -1 &&
          IsValidMaskPattern(m_maskPattern) &&
-         m_numTotalBytes == m_numDataBytes + m_numECBytes && m_matrix != NULL &&
+         m_numTotalBytes == m_numDataBytes + m_numECBytes && m_matrix &&
          m_matrixWidth == m_matrix->GetWidth() &&
          m_matrix->GetWidth() == m_matrix->GetHeight();
 }
 void CBC_QRCoder::SetMode(CBC_QRCoderMode* value) {
   m_mode = value;
 }
 void CBC_QRCoder::SetECLevel(CBC_QRCoderErrorCorrectionLevel* ecLevel) {
   m_ecLevel = ecLevel;
 }
 void CBC_QRCoder::SetVersion(int32_t version) {
@@ skipping 17 matching lines @@
 void CBC_QRCoder::SetNumECBytes(int32_t value) {
   m_numECBytes = value;
 }
 FX_BOOL CBC_QRCoder::IsValidMaskPattern(int32_t maskPattern) {
   return maskPattern >= 0 && maskPattern < NUM_MASK_PATTERNS;
 }
 void CBC_QRCoder::SetMatrix(CBC_CommonByteMatrix* value) {
   m_matrix = value;
 }
 const int32_t CBC_QRCoder::NUM_MASK_PATTERNS = 8;